A 15-year-old yoga nuts Colleen Collette (Lily-Rose Depp) and Colleen McKenzie (Harley Quinn Smith), who have an after-school job at a Manitoba convenience store called Eh-2-Zed. When an ancient evil rises from beneath Canada's crust and threatens their big invitation to a Grade 12 party, the Colleens join forces with a legendary man-hunter from Montreal named Guy Lapointe (Depp) to fight for their lives with.